10/19/2010 @ 6:00PM

What Makes People Powerful

Carly Fiorina

No. 51 on Forbes’ Most Powerful Women list, former Hewlett-Packard CEO and California senatorial candidate Carly Fiorina clearly has strong political instincts. But Pfeffer says her friction with HP’s board resulted in her being ousted from the company in 2005. “When people reach positions of high power … they stop attending to other people’s needs. I think she forgot she had bosses,” says Pfeffer.